Owners Guide (post-2002-fmt); 2007 B-Series ; Maintenance and Specifications- Page 246

2007 Mazda B4000 Truck Mazda B Series Owners Manual

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leaded fuel is prohibited by law and could damage your vehicle. Do not

use fuel containing methanol. It can damage critical fuel system

components.
Your vehicle was not designed to use fuel or fuel additives with metallic

compounds, including manganese-based additives. Studies indicate that

these additives can cause your vehicle’s emission control system to

deteriorate more rapidly. In Canada, premium grade fuel generally

contains more metallic additives than regular grade fuel. We recommend

using regular grade fuel. In Canada, many fuels contain metallic

additives, but fuels free of such additives may be available; check with

your local fuel dealer.
Repairs to correct the effects of using a fuel for which your vehicle was

not designed may not be covered by your warranty.

Cleaner air

Mazda endorses the use of reformulated “cleaner-burning” gasolines to

improve air quality.

Octane recommendations

Your vehicle is designed to use

“Regular” unleaded gasoline with

pump (R+M)/2 octane rating of 87.

We do not recommend the use of

gasolines labeled as “Regular” that

are sold with octane ratings of 86 or lower in high altitude areas.
Do not be concerned if your engine sometimes knocks lightly. However, if

it knocks heavily under most driving conditions while you are using fuel

with the recommended octane rating, see your authorized dealer to

prevent any engine damage.

Fuel quality

If you are experiencing starting, rough idle or hesitation driveability

problems, try a different brand of unleaded gasoline. “Premium” unleaded

gasoline is not recommended for vehicles designed to use “Regular”

unleaded gasoline because it may cause these problems to become more

pronounced. If the problems persist, see your authorized dealer.
Do not add aftermarket fuel additive products to your fuel tank. It

should not be necessary to add any aftermarket products to your fuel

tank if you continue to use high quality fuel of the recommended octane

rating. These products have not been approved for your engine and

87

(R+M)/2 METHOD

2007 B-Series (mbs)

Owners Guide (post-2002-fmt)

USA (fus)

Maintenance and Specifications

246

Detailed Information for 2007 Mazda B4000 Truck Mazda B Series Owners Manual

Lists of information found in 2007 Mazda B4000 Truck Mazda B Series Owners Manual - Page 246

  • 87. We do not recommend the use of gasolines labeled as “Regular” that are sold with octane ratings of 86 or lower in high altitude areas.

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